Portion of a cutting instrument



FIG. 1 is a perspective view of a portion of a cutting instrument showing my new design in accordance with a first embodiment;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a perspective view of a portion of a cutting instrument showing my new design in accordance with a second embodiment;

FIG. 9 is a left side elevational view of the portion of a cutting instrument shown in FIG. 8;

FIG. 10 is a top plan view of the portion of a cutting instrument shown in FIG. 8;

FIG. 11 is a bottom plan view of the portion of a cutting instrument shown in FIG. 8;

FIG. 12 is a right side elevational view of the portion of a cutting instrument shown in FIG. 8;

FIG. 13 is a front elevational view of the portion of a cutting instrument shown in FIG. 8;

FIG. 14 is a rear elevational view of the portion of a cutting instrument shown in FIG. 8;

FIG. 15 is a perspective view of a portion of a cutting instrument showing my new design in accordance with a third embodiment;

FIG. 16 is a left side elevational view of the portion of a cutting instrument shown in FIG. 15;

FIG. 17 is a top plan view of the portion of a cutting instrument shown in FIG. 15;

FIG. 18 is a bottom plan view of the portion of a cutting instrument shown in FIG. 15;

FIG. 19 is a right side elevational view of the portion of a cutting instrument shown in FIG. 15;

FIG. 20 is a front elevational view of the portion of a cutting instrument shown in FIG. 15; and,

FIG. 21 is a rear elevational view of the portion of a cutting instrument shown in FIG. 15.

The broken line showing of the remainder of the cutting instrument is for illustrative purposes only and forms no part of the claim design. 

The ornamental design for a portion of a cutting instrument, as shown and described. 